ACTIVELY EXPLOITED

CVE-2023-33538: TP-Link Multiple Routers Command Injection Vulnerability

Facts
VendorTP-Link
ProductMultiple Routers
Actively exploitedYes
Added to CISA KEV16 Jun 2025
CISA federal deadline7 Jul 2025
Weakness (CWE)CWE-77

Required action (CISA's text)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Description (NVD)

TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 contain a command injection vulnerability via the component /userRpm/WlanNetworkRpm. The impacted products could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.

SOURCES

Other TP-Link flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.